title: [On-line resources in dealing with rare diseases].
abstract: The increase in scientific knowledge and the need for its transmission to health professionals and patients has resulted in the creation of websites as a useful tool. In low prevalence diseases, such as rare diseases (RDs), sites are being created by scientific societies, institutions and patients. This section reviews the most important websites dealing with RDs both nationally and internationally.
authors.affiliation: Unidad de Metabolismo, Hospital de Cruces, Baracaldo, 48903, Spain. kaldamiz@hcru.osakidetza.net
authors.forename: L
authors.initials: L
authors.lastname: Aldamiz-Echevarría
authors.forename: Ja
authors.initials: J
authors.lastname: Prieto
authors.forename: Ml
authors.initials: M
authors.lastname: Couce
authors.forename: D
authors.initials: D
authors.lastname: González Lamuño
mesh_terms: D006801:Humans; D033181:Information Dissemination; D020407:Internet; D035583:Rare Diseases; D012952:Societies